1、MIL-C-52972A(ME) 17 September 1987 SUPERSEDING MIL-C-52972(ME) 12 December 1979 MILITARY SPECIFICATION COMPRESSOR UNIT, 5 CFM, 3200 PSI, GASOLINE-ENGINE-DRIVEN, DIVING AIR This specification is approved for use within the USA Belvoir Research, Development, and Engineering Center, Department of the A
2、rmy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a frame mounted gasoline-engine-driven, air compressor for producing air suitable for breathing. Only commercial vendors approved by the Naval Sea Systems Command
3、 (Code OOC), Alexandria, VA. are to pro- vide the subject unit. The Authorized for Navy Use (ANU) equipment list, NAVSEA Instruction 10560.2 shall be used when procuring the unit and repair/replacement parts. nature of the unit. No variation or substitute is permitted due to critical life support 2.
4、 APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part.of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Departm
5、ent of Defense Index of Specifications and Standards (DODISSI and supplement thereto, cited in the solicitation. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: USA Belvoir Research, Development
6、, and Engineering Center, ATTN: STRBE-TSE, Fort Belvoir, VA 22060-5606 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 4310 DISTRIBUTION STATENENT A. Approved for public release; distribution is
7、 unlimited. THIS DOCUMENT CONTAINS 25- PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- ri I L - c - 5 2 7 7 2 A 4 3 7lJb 027757b b . SPECIFICATIONS FEDERAL RE-A- 1 O 3 4 MILITARY MIL-V-173 MIL-P-514 MIL-T-704 MIL-C-3600 MIL-G-3859 MIL-G-10924
8、 MIL-D-16791 MIL-L-17331 MIL-G-23827 - Air Compressed, for Breathing Purposes. STANDARDS FEDERAL - Varnish, Moisture-and Fungus-Resistant (for Treatment of Communications, Electronic, and Associated Equipment). Marking, Blank. - Plates, Identification, Instruction and - Treatment and Painting of Mat
9、eriel. - Compressors, Rotary, Power-Driven; and Compressors, Reciprocating, Power-Driven: Air and Gas (Except Oxygen and Refrigerant), Packaging of. Screw Type. - Grease Guns, Hand Operated, Lever, Push and - Grease, Automotive and Artillery. - Detergent, General Purpose (Liquid Non-ionic). - Lubric
10、ating Oil, Steam Turbine and - Grease, Aircraft and Instrument, Gear and Gear,Moderate Service. Actuator Screw. FED-STD-H28 FED-STD-101 MILITARY MIL-STD-130 MIL-STD-209 MIL-STD-461 MIL-STD-767 MIL-STD-889 MIL-STD-1246 - Screw Thread Standards for Federal Services. - Test Procedures for Packaging Mat
11、erials. - Identification Marking of U.S. Military - Slinging and Tiedown Provisions for Lifting - Electromagnetic Emission and Sysceptibility Property. and Tying Down Military Equipment. Requirements for the Control of Electro- magnetic Interference. Equipment, Including Piping Systems. - Cleaning R
12、equirements for Special Purpose - Dissimilar Metals. - Product Cleanliness Levels and Contamination Control Program. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-52 972A(x) MIL-STD-1330 MIL-STD-1359 MIL-STD-1410 MIL-STD-1472 MIL-STD-1474 M
13、IL-STD-1622 MS35844 MS49 O0 6 Cleaning and Testing of Oxygen and Nitrogen Gas Piping. Cleaning Methods and Procedures for Breathing Oxygen Equipment. Methods for Selection of Industrial Engines for End Item Application. Human Engineering Design Criteria for Military Systems, Equipment and Facilities
14、. Noise Limits for Army Materiel. Cleaning of Shipboard Compressed Air Systems. Plug, Machine Thread, Magnetic (Drain). Plug, Pipe, Magnetic-Headless, Aluminum, Iron or Steel. 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and public
15、ations form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. NAVFAC DM-39 - NAVSEA 0994-LP-001-9010 - NAVMAT P-9290 - NAVMEDCOMINST 6260.3 - Naval Experimental Diving Unit (NEDU) - Hyperbaric
16、 Facilities Design Manual 39. U.S. Navy Diving Manual Volume I. System Certification Procedures and Criteria Manual for Deep Submergence Systems. Occupational Health Surveillance Manual. Air and Oxygen Systems Cleaning Procedure for Organizational Level Preventative and Corrective Maintenance. ENVIR
17、ONMENTAL PROTECTION AGENCY (EPA) 40 CFR, Part 85 - Control of Air Pollution From New Motor Vehicles and New Vehicle Engines. (Application for copies should be addressed to the Superintendent of Documents, US Government Printing Office, Washington, DC 20402.) FOREST SERVICE Forest Service Standard 51
18、00-1. (Application for copies should be addressed to ttie Forest Service, U.S. Department of Agriculture, P.O. Box 2417, Washington, DC 20013.) (Copies of specifications, standards, handbooks, drawings, publications, and other Government documents required by contractors in connection with specific
19、acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-5297 2A(ME) 2.2 Other publications. The following document(s) form a part of th
20、is specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. issues of documents not listed in the DoDISS shall be the issue of the non-Government documen
21、ts which is current on the date of the solicitation. Unless otherwise specified, the AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Performance Test Code PTC-9 - Displacement Compressors, Vaccum Pumps and Blowers. AMSE Boiler and Pressure Vessel Code, Section IX, Welding and Brazing Qualifications.
22、 (Application for copies should be addressed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017.) AMERICAN SOCIETY OF TESTING AND MATERIALS (ASTM) F 307 - Gas, Perssurized, Sampling, Gas Analysis, Standard Method for. (Application for copies should be addressed
23、 to the American Society of Testing and Materials, 1916 Race Steet, Philadelphia, PA 19103.). AMERICAN WELDING SOCIETY, INC. (AWS) Dl.1 - Structural Welding Code - Steel. (Application for copies should be addressed to the American Welding Society, Inc., 550 NW Lejune Road, P.O. Box 351040, Miami, FL
24、 33135.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) J 534 - Lubrication Fittings. (Application for copies should be addressed to Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) SOUTH COAST AIR QUALITY NANAGEMENT DISTRICT Rule 442 - Usage of Solvents. (Application for copie
25、s should be addressed to the South Coast Air Quality Management District, 9150 E. Flair Drive, El Monte,.CA 91731.) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-52 9 72A( ME) STATE OF CALIFORNIA AIR RESOURCES BOARD Health and Safety Code.
26、(Application for copies should be addressed to California Air Resources Board, 1709 11th Street, Sacramento, CA 95814.) (Non-Government standards and other publications are normally available from the organizations which prepare or which distribute the documents. documents also may be available in o
27、r through libraries or other informational services. 1 These 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. Nothing in this specification, however, shall supersede appli
28、cable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Description. The compressor shall be portable, and shall consist of a compressing unit, driven by a gasoline engine, and shall produce not less than 5 cubic feet per minute of free air (cfm) at 3200 pounds
29、per square inch gage (psig). The engine and compressing unit shall be mounted on a skid. compressor shall be complete and self-contained, including a final air filter and all other accessories, and shall be enclosed by a frame. charging whip 15 feet in length with standard commercial quick connect a
30、nd disconnect SCUBA bottle fittings shall be included in the accessories in order to charge SCUBA flasks. the maximum discharge pressure rating of the compressor. The compressor shall weigh not more than 275 pounds dry and the dimensions shall not exceed 30 inches in height, 40 inches in length, and
31、 25 inches in width. A water resistant tarpaulin shall be provided. The A flexible The whip shall have a working pressure equivalent to 3.2 First article. Unless otherwise specified (see 6.21, a sample shall be subjected to first article inspection (see 4.3 and 6.4). deviations of compressors from t
32、he approved first article during production will be subject to the approval of the contracting officer. Approval of the first article will not relieve the contractor of his obligation to furnish compressors conforming to this specification. Any changes or 3.3 Material. Material shall be as specified
33、 herein. Materials not specified shall be selected by the contractor and shall be subiect to all - provisions of this specification. 3.3.1 Material deterioration prevention and control. The compressor shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide
34、 protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operating and storage environments to which the compressor may be exposed. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-5
35、 297 2A(ME) 3.3.2 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. metals and methods of protection are defined and detailed in MIL-STD-889 and NAVFAC DM-39. Dissimilar 3.3.3 Identification of materials and finish
36、es. The contractor shall identify the specific material, material finish or treatment for use with component and subcomponent, and shall make information available upon request to the contracting officer or designated representative. 3.3.4 Recovered materials. For the purpose of this requirement, re
37、covered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished from virgin raw materials. The components, pieces and parts incorporated in the compressor may be newly fabricated from recovered materials to the ma
38、ximum extent practicable, provided the compressor produced meets all other requirements of this specification. Used, rebuilt or remanufactured components, pieces and parts shall not be incorporated.in the compressor. 3.4 Environmental conditions. 3.4.1 Operation at extreme temperatures. The compress
39、or shall operate as specified herein under the following conditions. 3.4.1.1 Low temperatures. The compressor shall start and operate as specified herein for not less than 2 hours at rated capacity in any ambient temperature down to minus 25 OF. 3.4.1.2 High temperatures. The compressor shall start
40、and operate as specified herein at any ambient temperature up to plus 110 OF for not less than 8 hours at rated capacity. 3.4.2 - Rain. The compressor shall start and operate as specified herein after exposure to 1/2 hour of rainfall at a minimum rate of 3 inches per hour directed simultaneously at
41、all four sides and top. specified herein for 1/2 hour while the rain continues to fall at the minimum rate of 3 inches per hour. The compressor shall operate as 3.5 Safety. All reciprocating, rotating or moving parts of the compressor shall be guarded when such parts are exposed to contact by person
42、nel or otherwise create a hazard. exhaust pipes and other lines which may be subject to high temperatures, exposed to contact by personnel or which create a fire hazard, shall be fully guarded or insulated, endanger personnel, and so that the possibility of exhaust entering into the compressor unit
43、inlet is minimized. Electrical equipment, wires, and connectors shall be effectively guarded or insulated to protect all persons and objects from electrical shock hazard. Nonfunctional sharp edges, projecting points, and excessive length of fastening devices shall be avoided. 1 All hot surfaces of t
44、he compressor unit, including Exhaust from the engine shall be directed so that it does not I, 6. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5.1 Noise level. The noise produced by the compressor shall conform with MIL-STD-1474 requirements, wi
45、th the exception of MIL-STD-1474 5.2, 5.3, and 5.4 when tested in accordance with 4.5.2.9. The provision of YIL-STD-1474, 4.3 and 4.4 shall be provided if and only if MIL-STD-1474, 5.1.1.2 procedures have been pursued and documented to the satisfaction of the procuring activity and written permissio
46、n to exceed the 85 dB(A) limit is obtained from the procuring activity. Hazard signs shall conform with MIL-STD-1474, 4.3, except the sign shall state “HJlAING PROTECTION REQUIRED WITHIN (specify) FEET.“ be readable at the distance indicated on the sign. The sign shall 3.6 Reliability and maintainab
47、ility. 3.6.1 Reliability. The specified Mean-Time-Between-Failure (MTBF) shall be 500 hours and the minimum-acceptable-value (MAV), for test purposes, shall be 200 hours when tested as specified in 4.5.2.14. 3.6.2 Maintainability. All major assemblies shall be accessible for servicing, repair, and r
48、eplacement without the removal of other major tssemblies. repair shall be equipped with quick-disconnect fasteners. All fasteners shall be of corrosion-resistant material or shall be treated to be corrosion resistant. All screw threads shall be in accordance with FED-STD-H28. Maximum use shall be ma
49、de of interchangeable hardware and fasteners. Means for complete draining of lubricants, fuel and condensate traps shall be provided in an easily accessible location and shall be capable of draining to a container without splashing on any component. All maintenance, assembly, or disassembly operations shall be accomplished with common tools and special tools furnished with the compressor unit. The maintenance ratio (MR) shall not exceed 0.05 (see 6.3.2). Cove
